Finding the Fourth Proportional to 149,794.08, 206,717.04 and 82,726.08
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Solution
The fourth proportional to 149,794.08, 206,717.04 and 82,726.08 is: 114,162.66
Step by Step Solution
- Step 1: Write the proportion equation
149,794.08 : 206,717.04 = 82,726.08 : x - Step 2: Convert to fraction form
149,794.08/206,717.04 = 82,726.08/x - Step 3: Cross multiply
149,794.08x = 206,717.04 × 82,726.08 - Step 4: Simplify right side
149,794.08x = 17,100,890,388.40 - Step 5: Solve for x
x = 17,100,890,388.40/149,794.08 - Step 6: Final answer
x = 114,162.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.